LeetCode "Jump Game"

class Solution {
public:
    bool canJump(int A[], int n) {

        int MaxInx = 0;
        int inx = 0;
        while (inx < n && inx <= MaxInx)
        {
            MaxInx = std::max(MaxInx, A[inx] + inx);
            if (MaxInx >= n - 1) return true;
            inx++;
        }

        return false;
    }
};